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24 It is normal for some TV sets to make occasional snapping or popping sounds, particularly when being turned on or off. If the snapping or popping is continuous or frequent, unplug the set and consult your dealer or service technician. FOR SERVICING AND MODIFICATION 25 Do not use attachments not recommended by the television set manufacturer as they may cause hazards. 26 When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer that have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards. 27 Upon completion of any service or repairs to the television set, ask the service technician to perform routine safety checks to determine that the television is in safe operating condition. ACCESSORIES CHECK TO MAKE SURE YOU HAVE THE FOLLOWING ACCESSORIES BEFORE DISPOSING OF THE PACKAGING MATERIAL. 1. GENIUS Remote Control Unit: CLU-682GJ (Part No. 2573787) for models 55EX7K, 50EX6K AND 46EX3B/4K CLU-681GJ (Part No. 2573786) for model 50ES1B/K 2. Easy Remote Control Unit CLU-609 (Part No. 2573622) 3. Four "AA" size, 1.5V batteries (For Remote Control Units) REMOTE CONTROL BATTERY INSTALLATION AND REPLACEMENT Open the battery cover of the remote transmitter by pushing the notched part of the cover with your fingers. a) Push batteries towards the springs and lift them out. b) Replace the old batteries with two new "AA" size batteries for the Genius Remote and two batteries for the Easy Remote. c) Match the (+) and (-) marks in the battery compartment with the (+) and (-) terminal of the batteries. d) Replace the cover. PICTURE CAUTIONS When using TV games, computers and similar products with your TV, keep the CONTRAST and BRIGHTNESS functions at low settings. If a fixed (non-moving) pattern is left on the screen for long periods of time at a high CONTRAST or BRIGHTNESS setting, the image can be permanently imprinted onto the screen. These types of imprints are not covered by your warranty because they are the result of misuse. This projection television receiver was intended mainly for the private viewing of programs broadcast by TV stations and cable companies and programs from other video sources. Public viewing may require prior authorization from the broadcaster or owner of the video program. HOW TO SET UP YOUR NEW HITACHI PROJECTION TV ANTENNA Unless your TV is connected to a cable TV system or to a centralized antenna system, a good outdoor color TV antenna is recommended for the best performance. However, if you are located in an exceptionally good signal area that is free from interference, and multiple image ghosts, an indoor antenna may be sufficient. LOCATION Select an area where sunlight or bright indoor illumination will not fall directly on the picture screen. Also, be sure that the location selected allows free flow of air to and from the perforated back cover of the set. To avoid cabinet warping, cabinet color changes, and increased chance of set failure, do not place the TV where temperatures can become excessively hot. For example, in direct sunlight or near a heating appliance, etc. VIEWING The major benefit of the HITACHI Projection Television is its large viewing screen. To see this large screen at its best, test various locations in the room to find the best spot for viewing. The drawings give several suggestions. The best picture is seen by sitting directly in front of the TV and about 10 to 18 feet from the screen. Picture brightness decreases as the viewer moves to the left or right of the receiver. During daylight hours, reflections from outside light may appear on the screen. If so, drapes or screens can be used to reduce the reflection or the TV can be located in a different section of the room. If the receiver’s audio output will be connected to a Hi-Fi system’s external speakers, the best audio performance will be obtained by placing the speakers equidistant from each side of the receiver cabinet and as close as possible to the height of the picture screen center. For best stereo separation, place the external speakers at least 4 feet from the side of the TV. Place the surround speakers to the side or behind the viewing area. Differences in room sizes and acoustical environments will require some experimentation with speaker placement for best performance. NOTE: The magnetic field of external speakers may cause the TV picture to distort if the speakers are placed too close to the television. Move the speakers away from the TV until there is no picture distortion. HOOK-UP CABLES AND CONNECTORS Most video/audio connections between components can be made with shielded video and audio cables that have phono connectors. For best performance, video cables should use 75-Ohm coaxial shielded wire. Cables can be purchased from most stores that sell audio/video products. Below are illustrations and names of common connectors. Before purchasing any cables, be s...
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